Downloading Interference 1.2 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. This free software is an intellectual property of Falco Software Company. We recommend checking the downloaded files with any free antivirus.
From the developer:
Interference is a new exciting car game. There are two types of race available in the game. Classic, where the player needs to collect "zones" and complete the race. Free, where the player can drive around a small city and try out all the cars. The game features 3 types of cars, each with unique characteristics. Machine control, WASD keys, "space" - handbrake.
You may want to check out more software, such as Quantum Wave Interference, Wave Interference or Phantom, which might be similar to Interference.